Download the GenStar MPPT firmware below to update your firmware. This firmware update contains all fixes to date. Only the latest firmware update needs to be programmed into the GenStar MPPT.

Downloads

 


Release Notes

 

Genstar MPPT Firmware Version 4.0.4

(Release Date Web – 5/1/26)

(Release Date Production – 6/1/26)

***Requires Mobile App Version  1.2.3 for iOS, or 2.0.42 for Android or Higher***

***When Updating Firmware from a Lower Major Version , to a Higher Major Version (ie 3.x.x to 4.x.x) it is Recommended to Backup the Controller Settings to SD Card Before the Firmware Update, and again After the Firmware Update  and Save them as Separate Files .  Controller Settings Created on Different Major Firmware Versions Cannot be Reprogrammed into a Controller on a Different Major Firmware Version ***

***Updating to version 3.0.37 or Higher from Versions 2.3.4 or Lower will erase the existing event log.  Existing daily records will be retained.  If access to the historical event log is desired then download the event log prior to updating firmware***

***Upon First Reboot after Installing v4.0.3FW Liveview will Prompt for a User Password to be Created.  Minimum Password Length is 8 Characters, Maximum 64 Characters***

 

 Fixes

  • Fixes Load Short Protection not activating  if Ethernet cable is not plugged in

 

 

Genstar MPPT Firmware Version 4.0.3

(Release Date Web – 3/12/26)

(Release Date Production – N/A)

***Requires Mobile App Version  1.2.2 for iOS, or 2.0.35 for Android or Higher***

***When Updating Firmware from a Lower Major Version , to a Higher Major Version (ie 3.x.x to 4.x.x) it is Recommended to Backup the Controller Settings to SD Card Before the Firmware Update, and again After the Firmware Update  and Save them as Separate Files .  Controller Settings Created on Different Major Firmware Versions Cannot be Reprogrammed into a Controller on a Different Major Firmware Version ***

***Updating to version 3.0.37 or Higher from Versions 2.3.4 or Lower will erase the existing event log.  Existing daily records will be retained.  If access to the historical event log is desired then download the event log prior to updating firmware***

***Upon First Reboot after Installing v4.0.3FW Liveview will Prompt for a User Password to be Created.  Minimum Password Length is 8 Characters, Maximum 64 Characters***

***If the Liveview Password is Lost or Forgotten, a Factory Reset and Controller Reprogramming is Required to Regain Access***

***If the Installer PIN is Lost or Forgotten, a Factory Reset and Controller Reprogramming is Required to Regain Access***

 

NEW

  • Added Support for SolarConnect.
  • Added Configurable Local Installer PIN.
  • Added Support for a No‑Default Installer Password when Accessing LiveView

 

Enhancements

  • Miscellaneous LiveView Improvements
  • Wireless Can Only Be Enabled or Disabled via the OnBoard Display

 

 

 

Genstar MPPT Firmware Version 3.0.37

(Release Date Web – 7/29/25)

(Release Date Production – N/A)

***Requires Mobile App Version  1.1.2 for iOS, or 1.6.4 for Android or Higher***

***Updating to version 3.0.37 from Versions 2.3.4 or Lower will erase the existing event log.  Existing daily records will be retained.  If access to the historical event log is desired then download the event log prior to updating firmware***

 

 NEW

  • Added Morningstar BMS Profile

 

 

Genstar MPPT Firmware Version 3.0.36

(Release Date Web – 6/11/25)

(Release Date Production – N/A)

***Requires Mobile App Version  1.1.2 for iOS, or 1.6.4 for Android or Higher***

***Updating to version 3.0.36 from Versions 2.3.4 or Lower will erase the existing event log.  Existing daily records will be retained.  If access to the historical event log is desired then download the event log prior to updating firmware***

 

 FIXES

  • Daily Ah net counter accuracy
  • LiveView number format crash that would stop LiveView from populating data

 

 

Genstar MPPT Firmware Version 3.0.34

(Release Date Web – 3/13/25)

(Release Date Production – N/A)

 

***Requires Mobile App Version  1.1.2 or Higher for iOS, or 1.6.4 or Higher for Android***

***Updating to version 3.0.34 will erase the existing event log and daily log.  If access to the historical event log is desired then please download the event log prior to updating firmware***

 

NEW

  • SNMPv3 Support
  • BMS Battery types for Deka and Weco Added

 

 FIXES

  • Shunt Polarity per Manual is Auto Flipped and Corrected
  • BMS doesn’t Reconnect after Bootload
  • Net Current Limiting only works with a Physical Net Shunt
  • Min/Max SOC may Appear as Blank on the Daily Log on the First Log after Controller Boot
  • Daily Log was Missing Min/Max Temperature in Certain Conditions

 

ENHANCEMENTS

  • Load terminals no longer shut off when a settings edit occurs
  • Eventlog is no longer viewable on the local display and is a LiveView only feature

 

 

Genstar MPPT Firmware Version 2.3.5

(Release Date Web – 12/13/24)

(Release Date Production – N/A)

 

FIXES

  • N/A

ENHANCEMENTS

  • Improved Tuning for Solar Array Efficiency and Sweeps

 

 

Genstar MPPT Firmware Version 2.3.2  

(Release Date Web – 4/24/24)

(Release Date Production – N/A)

 

FIXES

  • Fixes to Current Limit Alarm reporting
  • Net Shunt, if available, used when Current Limiting is active

****Manual Power Cycle Recommended after BMS Block Upgrade***

 

 

Genstar MPPT Firmware Version 2.3.0  

(Release Date Web – N/A)

(Release Date Production – N/A)

FIXES

  • Fixes / Improvements to Wireless Firmware Updates
  • Properly reset for multiple firmware upload attempts
  • Misc minor bug fixes

 

 

Genstar MPPT Firmware Version 2.2.6  

(Release Date Web – 12/20/23)

(Release Date Production – N/A)

NEW

  • SNMP v2c Support
  • ReadyBMS adds Weco BMS Lithium Support

FIXES

  • Corrected system battery amp-hour counters variable 
  • Misc minor bug fixes

 

 

Genstar MPPT Firmware Version 2.0.10

(Release Date Web – 9/11/23)

New

  • State of Charge (SOC) calculation for systems with ReadyShunt

Fixes

  • Warning for critical settings change via SD Card
  • Reboot after update, now default setting
  • IP address logging corrected


Genstar MPPT Firmware Version 1.1.6

(Release Date Web – 6/5/23)
(Release Date Production – 6/7/23)

New

  • Added download option for Daily Records to Webpage
  • Added Wireless Section to Network Setup Webpage
  • Added Enable Option to Network Setup Webpage

Fixes

  • Charge state reporting absorption when below target voltage
  • Hour meter being overwritten on bootup
  • Net battery current reporting 0.0Amp when a Net-shunt is configured
  •  Event log reporting for Float Cancel

 

 

  Genstar MPPT Firmware Version 1.0.4 (Release Date Web – 3/17/23) (Release Date Production – 2/22/23)

  • New
  • Fixes
  • Enhancements